docs: def send_to_contact(self, obj_id, contact_id):
          """
          Send email to a specific contact
  
          :param obj_id: int
          :param contact_id: int
          :return: dict|str
          """
          response = self._client.session.post(
              '{url}/{id}/send/contact/{contact_id}'.format(
                  url=self.endpoint_url, id=obj_id, contact_id=contact_id
              )
          )
          return self.process_response(response)